128398466

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 249937920

約数和(自身を除く): 121539454

約数列:

[1, 2, 7, 14, 19, 23, 31, 38, 46, 62, 133, 161, 217, 266, 322, 434, 437, 589, 677, 713, 874, 1178, 1354, 1426, 3059, 4123, 4739, 4991, 6118, 8246, 9478, 9982, 12863, 13547, 15571, 20987, 25726, 27094, 31142, 41974, 90041, 94829, 108997, 146909, 180082, 189658, 217994, 293818, 295849, 398753, 482701, 591698, 797506, 965402, 2070943, 2791271, 3378907, 4141886, 5582542, 6757814, 9171319, 18342638, 64199233, 128398466]

約数ペア:

[(1, 128398466), (2, 64199233), (7, 18342638), (14, 9171319), (19, 6757814), (23, 5582542), (31, 4141886), (38, 3378907), (46, 2791271), (62, 2070943), (133, 965402), (161, 797506), (217, 591698), (266, 482701), (322, 398753), (434, 295849), (437, 293818), (589, 217994), (677, 189658), (713, 180082), (874, 146909), (1178, 108997), (1354, 94829), (1426, 90041), (3059, 41974), (4123, 31142), (4739, 27094), (4991, 25726), (6118, 20987), (8246, 15571), (9478, 13547), (9982, 12863)]